/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
//
// Copyright (c) 2006 Georgia Tech Research Corporation
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation;
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// Author: George F. Riley<riley@ece.gatech.edu>
//

// FlowServer
// Listens for incoming connection, accepts a first packet with size of flow
// and then sends data. Awaits connection tear down from client before executing
// callback

#ifndef __flow_server_h__
#define __flow_server_h__

#include "ns3/address.h"
#include "ns3/log.h"
#include "ns3/nstime.h"
#include "ns3/packet.h"
#include "ns3/simulator.h"
#include "ns3/socket.h"
#include "ns3/traced-callback.h"

namespace ns3 {

class Socket;

class FlowServer : public Object
{
public: 
  FlowServer (Ptr<Socket> socket);
  ~FlowServer ();

  void SetFlowFinishCallback (Callback<void, Ptr<FlowServer> > flowFinished );

  void Stop();
  uint32_t GetSize();
  Time GetDuration();

private:
  void HandleRead(Ptr<Socket> socket);
  void HandleSend(Ptr<Socket> socket, uint32_t dataSent);
  void HandleClose(Ptr<Socket> socket);
  void HandleError(Ptr<Socket> socket);
  
  Time m_startTime;

  Ptr<Socket> m_socket;
  uint32_t m_flowSize;
  uint32_t m_dataToSend;
  Callback<void, Ptr<FlowServer> > m_flowFinished;
};
         
} // namespace ns3

#endif

